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    <script>
        function randomArr(arr)
        {
            let tempArr = arr.slice();
            for(let i = arr.length-1;i>=0;i--)
            {
                let j = (i+1)*Math.floor(Math.random());
                [tempArr[i],tempArr[j]] = [tempArr[j],tempArr[i]];
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        let arr = [1,2,3,4,5,6,7,9,10];
        console.log(...randomArr(arr));
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